Final answer:
Humans, or Homo sapiens, are considered the most biologically successful primate due to our complex brain and capacity for abstract thought and technological advances.
Step-by-step explanation:
Homo sapiens, or humans, are considered the most biologically successful primate. With our complex brain, we have a greater capacity for abstract thought and technological advances compared to other primates. However, it's important to note that in other aspects, such as physical strength and agility, we may not be as adept as other primates like gorillas or orangutans.